The Rougi'er was a 25 foot long, 8 ton predatory marine reptile that lived during the Jurassic period. It began with a fish-like body and long neck, eating squid and fish. As predators like Megalodon evolved, the oceans became less safe for the solitary Rougi'er. In response, its scales fused together to form a protective shell. During the Cretaceous period, it further evolved to resemble modern turtles, likely due to low oxygen levels requiring it to spend more time on land. The Rougi'er went extinct at the end of the Cretaceous as competition for food and lack of places to hide made survival difficult.

1. Rougi’er
By Caroline Hall
Scientific name: Siher Gukisp

2. Jurassic
In the Jurassic period the land that
once formed one super
continent, Pangaea, broke into two
pieces, Gondwana in the south and
Laurasia in the north. The climate
was hot and humid with steady
rainfalls which was needed for the
lush plants.

3. Pangea

4. The Rougi'er began in the middle of
the Jurassic period and died out
during the mass extinction at the end
of the Mesozoic era ( the end of the
Cretaceous).

5. Rougi’er
The Rougi’er started looking sort of
like a big fish with a long neck. He
was 25 feet long and weighed 8 tons.
He ate squid and fish and he had a
massive head with many sharp teeth.
He also had four very large
distinguishing fins. He was an aquatic
animal.

6. Attack!
As the oceans evolved so did the predators.
The oceans became not so safe of a place
for the Rougi’er, now there was more
competition for the Rougi’er, such as the all
mighty Megalodon! The Megalodon were
huge and swam in large groups, while the
Rougi’er was smaller and swam alone, but
the Rougi’er was able to swim fast and had
fair breathing skills.

7. Megladon

8. Updates for all
The oceans were becoming warm and anoxic
(there was little to no oxygen in the waters)
and the Rougi’er population was not doing
very well so because of the conditions of
the late Jurassic period with their
unshelled bodies and predators evolving
fast. So the Rougi’er evolved a little
something, his scales formed together to
make a sun proof and mostly predator
resistant shell thing.

9. Cretaceous
As the Cretaceous period dawned the
animals exploded on to earth the
populations had increased with
dinosaurs, flying animals and under
water creatures, the Rougi’er had a
huge break through they formed into a
animal similar to the animals we call
turtles today. We think the reason they
changed is the low oxygen in the water
so they slowly over time changed into a
animal that traveled in and out of the
water frequently.

11. Dying
As the Cretaceous continued the
Rougi’er was dying out slowly, the
other animals fed on him and the
land nor water was safe. Animals who
were the Rougi’er size fought for the
smaller food and the Rougi’er was not
the fighting type on land. The water
had less places to hide the Rougi’er
was at a dead end.

12. Taxonomy
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Pliesiosauria
Suborder: pliosauroidea
Family: pliosauridae
Genus: liopleurodon

13. Time Line
200 MYA: the Rougi’er evolved
182 MYA : the Rougi’er evolved a sort
of shell thing
127 MYA: the Rougi’er evolved to a
animal close a to turtle
99 MYA: the Rougier died out